42cfdf5184
1. Define controller for fast SPI. 2. Separate out functions that are specific to SPI and flash controller in different files. BUG=chrome-os-partner:59832 BRANCh=None TEST=Compiles successfully for chell and eve. Change-Id: I2fe0ef937297297339d4ea19dc37d3061caaa80c Signed-off-by: Furquan Shaikh <furquan@chromium.org> Reviewed-on: https://review.coreboot.org/17933 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>
40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
/*
|
|
* This file is part of the coreboot project.
|
|
*
|
|
* Copyright 2016 Google Inc.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*/
|
|
|
|
#include <console/console.h>
|
|
#include <spi-generic.h>
|
|
|
|
/* SPI controller managing the flash-device SPI. */
|
|
static int flash_spi_ctrlr_setup(const struct spi_slave *dev)
|
|
{
|
|
if ((dev->bus != 0) || (dev->cs != 0)) {
|
|
printk(BIOS_ERR, "%s: Unsupported device bus=0x%x,cs=0x%x!\n",
|
|
__func__, dev->bus, dev->cs);
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct spi_ctrlr flash_spi_ctrlr = {
|
|
.setup = flash_spi_ctrlr_setup,
|
|
};
|
|
|
|
const struct spi_ctrlr_buses spi_ctrlr_bus_map[] = {
|
|
{ .ctrlr = &flash_spi_ctrlr, .bus_start = 0, .bus_end = 0 },
|
|
};
|
|
|
|
const size_t spi_ctrlr_bus_map_count = ARRAY_SIZE(spi_ctrlr_bus_map);
|